.t_shenbaoxuzhi {
    background: rgba(22, 48, 108, 0.3);
    ;
    width: 1200px;
    height: 830px;
    box-sizing: border-box;
    padding: 0 30px 20px 30px;
}

.t_shenbaoxuzhi>.t_mage {
    background: rgba(22, 48, 108, 0.4);
    ;
    width: 100%;
    height: 730px;
    box-sizing: border-box;
    padding: 20px;
    border-radius: 15px;
}

.t_nav {
    height: 80px;
    display: flex;
}

a {
    text-decoration: none;
}


.t_nav_three {
    height: 100%;
    flex: 6;
}

.t_nav_three>a {
    border: 1px solid #fff;
    padding: 2.5px 15px;
    border-radius: 2.5px;
    height: 22px;
    line-height: 80px;
    border-radius: 15px;
}

.t_nav_three>a {
    color: #fff;
    font-size: 18px;
}

.t_nav_three>a>.icon {
    /* margin-right: 2.5px; */
    font-size: 20px;
}

.t_nav_search {
    width: 200px;
    position: relative;
}

.t_nav_search>input {
    color: #fff;
    background-color: rgba(255, 255, 255, 0);
    box-sizing: border-box;
    width: 200px;
    height: 40px;
    outline: none;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding-left: 55px;
    border: 1px solid #fff;
}

.t_nav_search>input::-webkit-input-placeholder {
    color: #fff;
    font-size: 14px;
}

.t_searchImg {
    color: #fff;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    margin-left: 20px;
}

.t_nav2 {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    line-height: 40px;
    width: 750px;
    margin: 0 auto;
}

.t_nav2 li {
    width: 150px;
    text-align: center;
    background-color: rgba(37, 80, 174, 0.35);
    color: #fff;
    font-size: 18px;
}

.t_nav2 li:hover {
    background-color: #3066E3;
    cursor: pointer;
}

.t_div_file {
    background-color: rgba(37, 80, 174, 0.35);
    margin-top: 20px;
    width: 100%;
    height: 550px;
    margin-bottom: 30px;
    box-sizing: border-box;
    padding: 20px;
}

.t_div_file .t_file_line {
    display: flex;
    margin-bottom: 20px;
}

.t_file_line>a {
    width: 92px;
    height: 88px;
    margin-right: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    border-radius: 5px;
}

.t_file_line>a:last-child {
    margin-right: 0;
}

.t_file_line>a>span {
    color: #fff;
    font-size: 18px;
    display: inline-block;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.t_file_line .t_file_img {
    flex: 9;
}

.t_file_img .icon {
    font-size: 60px;
    color: #fff;
}

#div_toop{
    font-size: 16px;
    background-color:#fff;
    border-radius: 2.5px;
    padding: 5px;
    letter-spacing:1px;
}


/* 分页 */

.t_paging {
    float: right;
}

.t_paging ul {
    list-style: none;
    display: flex;
    height: 32px;
}

.t_paging li {
    line-height: 30px;
    text-align: center;
    border-radius: 3.5px;
}

.t_paging li:not(.t_upAndDown) {
    width: 30px;
    height: 30px;
    border: 1px solid #fff;
}

.t_paging li:not(:last-child) {
    margin-right: 10px;
}

.t_paging li a {
    color: #fff;
    display: inline-block;
    width: 100%;
    height: 100%;
    border-radius: 3.5px;
}

.t_upAndDown {
    width: 80px;
    background-color: #3066E3;
}

/* 字体图标 */
.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}